Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3CAL callsign genealogy
Currently held by Cal U Amateur Radio Club
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KB3CAL's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KB3CAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB3CAL, oldest first.
- SUMMIT AMATEUR RADIO CLUB PA1998-01-13 → cancelled 2010-01-14
- Cal U Amateur Radio Club PA2020-01-14 active